Lecture—3 hour(s).Introduction to the use of plants to enhance the physical, visual and social environment, the use of ecological principles in developing sustainable, low maintenance landscape systems, and the career opportunities in these areas.(Letter.)GE credit: SE, SL.Effective: 2016 Winter Quarter.

Lecture—1 hour(s); Laboratory—2 hour(s).Prerequisite(s):ENH 006; or Consent of Instructor.Identification and evaluation of 200 tree species of the urban forest on campus, in the Arboretum, and in the city of Davis; appraised and aesthetic values, condition, and branch structure; contribution of trees to this ecosystem. Bicycle required.(Letter.)GE credit: SE, VL.Effective: 2004 Fall Quarter.

Lecture—3 hour(s); Discussion—1 hour(s).Prerequisite(s):BIS 001C.Physiological principles and processes essential to floriculture, nursery crop production, turfculture and landscape horticulture.
Emphasis on the control of vegetative and reproductive development for a broad species range in greenhouse and extensive landscape environments.(Letter.)GE credit: SE.Effective: 1997 Winter Quarter.

ENH105—Taxonomy and Ecology of Environmental Plant Families(4)Active

Lecture—2 hour(s); Laboratory—6 hour(s).Prerequisite(s):ENH 006; or Consent of Instructor.Classification and identification of introduced and native species used
in urban forests, with emphasis on floral and vegetative characteristics of the prominent families of angiosperms and gymnosperms, adaptations to environmental variations in western landscapes, and horticultural
classification.(Letter.)GE credit: SE, VL.Effective: 1998 Spring Quarter.

ENH120—Management of Container Media(3)Active

Lecture—2 hour(s); Laboratory—3 hour(s).Prerequisite(s):SSC 010 or SSC 100.Principles of soil science and practices related to management of container media are taught, emphasizing appropriate use of soils and amendments, irrigation, and fertilizers.Physical and chemical properties are tested and effects of management on crops are evaluated in the laboratory.(Letter.)GE credit: QL, SE, WE.Effective: 2017 Winter Quarter.

Lecture/Discussion—3 hour(s).Prerequisite(s):BIS 001C; Or the equivalent.Conservation of genic diversity, measurement of diversity, threats to
diversity and reasons for protection, the process of extinction, distribution of diversity, determination of what to conserve and means of conservation. Examples drawn largely from forest tree species.(Letter.)GE credit: SE, SL.Effective: 1998 Winter Quarter.

Discussion/Laboratory—3 hour(s).Prerequisite(s):ENH 160 (can be concurrent); and Consent of Instructor.Companion field course to course 160. A series of part-day and all day visits to various field sites, involving site evaluations, guest field presentations by local restorationists, and actual restoration activities.Not open for credit to students who completed ENH 160 prior to spring 2004.(Letter.)GE credit: SE, SL.Effective: 2004 Spring Quarter.